Pith Number

pith:DTN6DC7K

pith:2021:DTN6DC7KKSW3GFQLGYAS6L25GK

not attested not anchored not stored refs pending

A machine learning approach to itinerary-level booking prediction in competitive airline markets

Daniel Hopman, Ger Koole, Rob van der Mei

arxiv:2103.08405 v1 · 2021-03-15 · math.OC · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTN6DC7KKSW3GFQLGYAS6L25GK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T02:23:00.436573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cdbe18bea54adb3160b36012f2f5d32ad1bb7e1cc8b09e91bd04eaa8aa478b6

Aliases

arxiv: 2103.08405 · arxiv_version: 2103.08405v1 · doi: 10.48550/arxiv.2103.08405 · pith_short_12: DTN6DC7KKSW3 · pith_short_16: DTN6DC7KKSW3GFQL · pith_short_8: DTN6DC7K

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DTN6DC7KKSW3GFQLGYAS6L25GK \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1cdbe18bea54adb3160b36012f2f5d32ad1bb7e1cc8b09e91bd04eaa8aa478b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec03d4be1ed01e75749b4082d9fecee6e54bf2ce1bdcb5abc8b6ffa6dc2d2498",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-03-15T14:32:11Z",
    "title_canon_sha256": "4dd51defbaa275c3dcf58b1fd91cc7e2f172854e064f86f0ad58c3c8c85fe4f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.08405",
    "kind": "arxiv",
    "version": 1
  }
}